Luckily, we don't need entries o bet keyed off of time in order to stop
once we pass a time threshold. ;)
Think a bit about what happens if an update gets ordered back in time
because of an OSD time change and then come back. (As ever in distributed
systems, we can't use time as an ordering version, and the marker is a
version).


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Software Engineer #42 @ http://inktank.com | http://ceph.com